CVE-2025-38423: ASoC: codecs: wcd9375: Fix double free of regulator supplies

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-07-25 · updated 2026-06-17
Weakness: CWE-415

Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: wcd9375: Fix double free of regulator supplies Driver gets regulator supplies in probe path with devm_regulator_bulk_get(), so should not call regulator_bulk_free() in error and remove paths to avoid double free.

Affected products

Linux kernel: from 6.11 before 6.12.35; from 6.13 before 6.15.4 — fixed in 6.12.35, 6.15.4

How to fix

Upgrade to a fixed version: Linux kernel 6.12.35, 6.15.4. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/63fe298652d4eda07d738bfcbbc59d1343a675ef
https://git.kernel.org/stable/c/c8228b5f3d74fd8ad4dfc79d5d601eb6fca5e63e
https://git.kernel.org/stable/c/ce30258c05d39b62a05c99016d7148b3bf60fbdc

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